Keywords: Running outside.jpg Two male runners in shorts and no shirts outdoors in a park a lake visible in the background This is the cover photograph to the Decade of Discovery section entitled Lifestyle Environment and Cancer Topics/Categories Locations -- Nature/Outdoors People -- Adult People -- Recreation Type Color Photo Source National Cancer Institute Linda Bartlett Photographer 1992 1980 Reuse Restrictions None - This image is in the public domain and can be freely reused Please credit the source and/or author listed above Linda Bartlett Photographer PD-USGov-HHS-NIH Media from National Cancer Institute Visuals Online Images uploaded by Fæ |